Related Clues:

• Dr. Leary used it on some trips
• Acetic __
• Trip producer?
• Your parents might have dropped it
• Litmus reddener
• Lysergic, for one
• Alkali counterpart
• Users drop it
• Drug banned in the U.S. in 1967
• The 'A' in DNA
• Psychedelic drug
• '60s tripper's substance
• A hallucinogen
• Leary's drug
• Heartburn cause